# What is Matcha Meta ### What is Matcha Meta? **Matcha Meta** is a *meta-aggregator* — a platform that compares prices across all major DEX aggregators to find the best possible execution for every trade. In addition to meta aggregation, we simulate each route on-chain to verify which one would have actually delivered the best result. This catches over-quoting, as well as protecting you from trades that would revert immediately when you open your wallet. We do this even before you connect your wallet. #### Why it matters Most aggregators show theoretical prices that don’t always reflect what you’d actually receive.\ Matcha Meta closes that gap by using *real simulation data* to measure execution quality — not just quoted prices. Traders can see which aggregators consistently deliver better net outcomes. *** ### Our Products **Simulation** Compare quotes across multiple aggregators and liquidity sources in real time, verified through simulation. **One-Time Approval** You only need to approve your tokens once on Matcha Meta’s single, trusted smart contract, instead of approving them separately for every aggregator. After that, you can trade freely across all supported aggregators and chains without extra approvals, making swaps safer and faster. *** ### Dive In This portal includes: * Technical documentation * Guides explaining topics like aggregation, simulation, and slippage * Frequently asked questions Need help with Matcha Meta?\ Reach out on X ([@matchametaxyz](https://x.com/matchametaxyz)) or visit [meta.matcha.xyz](https://meta.matcha.xyz/). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://0x-docs.gitbook.io/matcha-meta/overview/what-is-matcha-meta.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.